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// Copyright 2020 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_DAWN_COMMON_ITYP_STACK_VEC_H_
#define SRC_DAWN_COMMON_ITYP_STACK_VEC_H_
#include <limits>
#include <vector>
#include "dawn/common/Assert.h"
#include "dawn/common/StackContainer.h"
#include "dawn/common/UnderlyingType.h"
namespace dawn::ityp {
template <typename Index, typename Value, size_t StaticCapacity>
class stack_vec : private StackVector<Value, StaticCapacity> {
using I = UnderlyingType<Index>;
using Base = StackVector<Value, StaticCapacity>;
using VectorBase = std::vector<Value, StackAllocator<Value, StaticCapacity>>;
static_assert(StaticCapacity <= std::numeric_limits<I>::max());
public:
stack_vec() : Base() {}
explicit stack_vec(Index size) : Base() { this->container().resize(static_cast<I>(size)); }
Value& operator[](Index i) {
ASSERT(i < size());
return Base::operator[](static_cast<I>(i));
}
constexpr const Value& operator[](Index i) const {
ASSERT(i < size());
return Base::operator[](static_cast<I>(i));
}
void resize(Index size) { this->container().resize(static_cast<I>(size)); }
void reserve(Index size) { this->container().reserve(static_cast<I>(size)); }
Value* data() { return this->container().data(); }
const Value* data() const { return this->container().data(); }
typename VectorBase::iterator begin() noexcept { return this->container().begin(); }
typename VectorBase::const_iterator begin() const noexcept { return this->container().begin(); }
typename VectorBase::iterator end() noexcept { return this->container().end(); }
typename VectorBase::const_iterator end() const noexcept { return this->container().end(); }
typename VectorBase::reference front() { return this->container().front(); }
typename VectorBase::const_reference front() const { return this->container().front(); }
typename VectorBase::reference back() { return this->container().back(); }
typename VectorBase::const_reference back() const { return this->container().back(); }
Index size() const { return Index(static_cast<I>(this->container().size())); }
};
} // namespace dawn::ityp
#endif // SRC_DAWN_COMMON_ITYP_STACK_VEC_H_